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3rd Grade Geometry

TermDefinition
Trapezoid A quadrilateral with only one pair of parallel sides
Rectangle parallelogram with four right angles
Quadrilateral polygon with four sides
Parallelogram A quadrilateral with two pairs of parallel sides
Parallel Lines Lines that are the same distance apart and never cross each other
Square parallelogram with four right angles and all sides the same length
Rectangular prism A solid figure with six rectangular faces
Triangular Prism A solid figure with two triangular faces
Cone solid figure with a circle as its base and a curved surface that meets at a point.
Rhombus parallelogram with all sides the same length
Solid figure A figure that has a length, width, and height
Cube A solid figure with six same size squares as its faces
Cylinder A solid figure with two circular bases
Face The flat surface of a solid figure
Vertex the point where two ray meet to form an angle and the point where the sides of a polygon meet OR point where three or more edges meet in a solid figure and the pointed part of a cone
Sphere A solid figure in the shape of a ball
Edge A line segment where two faces meet in a solid figure
Bases Flat surfaces of solids that can roll a
Perimeter The distance around a figure
Area number of square units needed to cover a space
Prism a solid three-dimensional shape with two bases that look the same
Triangle a polygon with three angles and three sides.
Pentagon a polygon with 5 sides.
Hexagon a polygon with 6 sides
Pyramid a solid three-dimensional shape with a polygon base and triangular faces that taper to a point (vertex)
Congruent having the same shape and the same size.
Created by: jzschau
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